NEW YORK — LeBron James was sitting comfortably on the bench and figured on staying there. Then J.R. Smith and Iman Shumpert punctuated their return to New York with an alley-oop that demanded he stand.

NEW YORK — LeBron James was sitting comfortably on the bench and figured on staying there. Then J.R. Smith and Iman Shumpert punctuated their return to New York with an alley-oop that demanded he stand.